History 477 Politics and government 389 Slavery 114 African Americans 64 Foreign relations 56 Politique et gouvernement 54 Sermons, American 54 more ... Histoire 52 Revolution 49 Republican 48 Causes 47 Bibliography 45 Colonies 45 American 37 Commerce 32 Finance 32 Indians of North America 32 Railroads 31 Description and travel 30 Sermons 28 Diplomatic relations 27 Yellow fever 26 Jews 24 Relations extérieures 24 Campaign literature 23 Economic conditions 23 Sermons américains 22 Education 21 Presidents 21 Sources 21 Communism 20 Controversial literature 20 Genealogy 20 Tariff 20 Emigration and immigration 19 Slave trade 19 American literature 18 Church history 18 Missions 18 Religious aspects 18 less ...